Agatha and the Truth of Murder: In 1926, a young Agatha Christie (Ruth Bradley) decides to solve a real-life murder. Agatha and the Curse of Ishtar: 1928: It has been two years since her disappearance and Agatha Christie (Lyndsey Marshal) arrives in Baghdad finding a young archaeologist with a bullet wound. Agatha and the Midnight Murders: London 1940: As the Blitz rages, Agatha Christie (Helen Baxendale) makes the decision to kill off her most famous creation. 4 ½ hrs, 2 DVDs, SDH.